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Finding the Fourth Proportional to 603,740.68, 833,107.92 and 331,805.60

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Solution

The fourth proportional to 603,740.68, 833,107.92 and 331,805.60 is: 457,861.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,740.68 : 833,107.92 = 331,805.60 : x
  2. Step 2: Convert to fraction form
    603,740.68/833,107.92 = 331,805.60/x
  3. Step 3: Cross multiply
    603,740.68x = 833,107.92 × 331,805.60
  4. Step 4: Simplify right side
    603,740.68x = 276,429,873,260.35
  5. Step 5: Solve for x
    x = 276,429,873,260.35/603,740.68
  6. Step 6: Final answer
    x = 457,861.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.